Home / 5,456.32-8,185.01-2,168.67

Finding the Fourth Proportional to 5,456.32, 8,185.01 and 2,168.67

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Solution

The fourth proportional to 5,456.32, 8,185.01 and 2,168.67 is: 3,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.32 : 8,185.01 = 2,168.67 : x
  2. Step 2: Convert to fraction form
    5,456.32/8,185.01 = 2,168.67/x
  3. Step 3: Cross multiply
    5,456.32x = 8,185.01 × 2,168.67
  4. Step 4: Simplify right side
    5,456.32x = 17,750,605.49
  5. Step 5: Solve for x
    x = 17,750,605.49/5,456.32
  6. Step 6: Final answer
    x = 3,253.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.